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The ESB at the start of the host vector may cause SErrors to be consumed to DISR_EL1. However, this is not checked for the host so the SError could go unhandled. Remove the ESB so that SErrors are not consumed but are instead left pending for the host to consume. __guest_enter already defers entry into a guest if there are any SErrors pending. Signed-off-by: Andrew Scull <ascull@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Cc: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20200915104643.2543892-8-ascull@google.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.